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MAX7316 - 10-Port I/O Expander

General Description

The MAX7316 serial interfaced peripheral provides microprocessors with eight additional I/O ports plus one output-only port and one input-only port.

Key Features

  • 400kbps, 2-Wire Serial Interface, 5.5V Tolerant.
  • 2V to 3.6V Operation.
  • Overall 8-Bit PWM LED Intensity Control Global 16-Step Intensity Control Plus Individual 16-Step Intensity Controls.
  • 2-Phase LED Blinking.
  • High Output Current (50mA max per Port).
  • Outputs are 5.5V-Rated Open Drain.
  • Inputs are Overvoltage Protected to 5.5V.
  • Transition Detection with Interrupt Output.
  • RST Input Clears Serial Interface and Restores.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX7310 2-Wire-Interfaced 8-Bit I/O Port Expander
MAX7311 2-Wire-Interfaced 16-Bit I/O Port Expander
MAX7313 16-Port I/O Expander
MAX7314 18-Port GPIO
MAX7315 8-Port I/O Expander

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com 19-3055; Rev 1; 4/04 10-Port I/O Expander with LED Intensity Control and Interrupt General Description The MAX7316 serial interfaced peripheral provides microprocessors with eight additional I/O ports plus one output-only port and one input-only port. Each I/O port can be individually configured as either an open-drain current-sinking output rated to 50mA at 5.5V or as a logic input with transition detection. The output-only port can also be assigned as an interrupt output for transition detection. The outputs are capable of driving LEDs, or can provide logic outputs with external resistive pullup up to 5.5V. Eight-bit PWM current control is available for all nine output ports.